Math Teachers at Play #78 via 1001 Math Problems

Math Teachers at Play is a traveling collection of math tidbits — games, lesson ideas, and more — from around the Internet. It moves around from month to month, and the September edition is now posted at 1001 Math Problems blog. What a fun list of math posts to browse!

Welcome to the 78th edition of the Math Teachers At Play math education blog carnival, which I am thrilled to be hosting this month in celebration of my soon-to-be-released book, Camp Logic. What is the blog carnival? It is a monthly snapshot of some interesting recent ideas and activities posted by math education bloggers all over the internet.

By tradition, I begin with a fun fact about the number 78:

Seventy-eight is the 12th triangle number, which means that it is the sum of the integers from 1 to 12. Therefore, it is also the total number of gifts given on the last day in the song “The Twelve Days of Christmas!” …

Copyright Notice

Everything on this website, like nearly everything else on the Internet, is copyrighted material. It is illegal (and terribly rude) to take what another blogger has written and paste it into your own blog or website.

I hope you enjoy my tips and math games, use them in your classroom or homeschool, mention them to friends, link to them as much as you want‌—‌but please respect my copyrights, as you would want me to respect yours.

Affiliate Disclosure

Almost all of the book covers featured on this site link to Amazon.com, where you can read descriptions and reviews‌—‌and where I earn a small commission if you actually buy a book. But if you have access to a good library loan system, you should be able to read most of the books for free.